[Ips-dhfpr] ASWFC Daily HF Prop Report - 12 July 24 issued 2330 UT on 12 Jul 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/12 JULY 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 JULY) 
Date   T index  Conditions    
12 Jul   128    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Mostly near predicted monthly values.
   Niue Island Region:
      Enhanced by 15-20%.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jun      120
Jul      118
Aug      117


2. FORECAST (13 JULY - 15 JULY)
Date   T index  Conditions       MUFs                              
13 Jul   115    Normal-fair      Near predicted monthly values
14 Jul   115    Normal           Near predicted monthly values    
15 Jul   115    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 73 was issued on 
11 July and is current for 12-13 Jul. Maximum usable frequencies 
(MUFs) on UT day 12-Jul were near predicted values in the Australian 
region. Spread F was observed during local night hours. MUFs 
are expected to be near predicted values over 13-15 Jul, with 
mildly degraded conditions possible during local night hours 
13-14 Jul for the southern Australian region. Isolated shortwave 
fadeouts are possible.

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For an explanation of some of the terms in this report, go to
https://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au